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ARCSS Surface Air Temperature (ARCSS-SAT) Analysis


This data set contains the analysis of the best estimate of surface air temperature (SAT) over the Arctic Ocean in 12-hourly gridded fields from 1979-2008. The gridded fields are based on in situ observations from manned drifting stations, and buoy observations that have been quality controlled. These observations have been optimally interpolated, following the procedures of Rigor et al. 2000, using the National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) Reanalysis 1 (R1) as a first guess field. The analysis adjusts a warm bias exhibited by R1 in comparison to manned drifting station data over the Arctic Ocean, and improves the International Arctic Buoy Programme (IABP) / Polar Exchange at the Sea Surface (POLES) SAT analysis.

This data set is preliminary pending review of manuscript documenting the analysis.

Data access

Additional information

  • 1.0 (2011-02-24)
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Related projects
Spatial Type grid
Frequency 12 hourly
Language English
Grant Code 0531133, 0856292
ISO Topic Categories
  • climatologyMeteorologyAtmosphere
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 1979-01-01 00:00:00
End datetime 2008-12-31 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 88.54, Minimum (South) Latitude: -88.54
Minimum (West) Longitude: -180.00, Maximum (East) Longitude: 178.13

Primary point of contact information

Ignatius Rigor <>

Additional contact information


Rigor, I., et al. 2011. ARCSS Surface Air Temperature (ARCSS-SAT) Analysis. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 20 Apr 2024.

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Ancillary information

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